%0 Journal Article %A Pears, A. R. %T On the Exactness of the Eckmann-Hilton Homotopy Sequence %J Canadian mathematical bulletin %D 1966 %P 671-673 %V 9 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-081-8/ %R 10.4153/CMB-1966-081-8 %F 10_4153_CMB_1966_081_8